It's not related to the Nazis. Please. If it were really related to memory of abusive governments they wouldn't have just written a law with phenomenal penalties and ultra-vague language that everyone can be argued to violate - exactly the sort of law that all totalitarian states love to have.

GDPR exists because the EU wants to be the primary legislating entity in Europe, replacing local governments, and because it likes the idea of funding itself through huge fines. It exists to serve political ends.